attr（）和val（）的区别求详细解答？

数据分析师2017-09-30 23:56:15

Would you like a detailed answer to the difference between attr() and val()? -PHP Chinese website Q&A-What is the difference between attr() and val()? Please give a detailed answer? -PHP Chinese website Q&A

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迷茫2017-01-12 14:59:25

attr()是获取或设置元素的属性，比如a标签的href属性，div标签的style属性，checkbox的checked属性。

val（）是获取或设置表单元素的value值。只可以用于表单元素。